In the diagram, each small square in the grid is the same size. What percent of the grid is shaded?

Answer Choices
A. 84
B. 80
C. 90
D. 75
E. 66
In the diagram, each small square in the grid is the same size. What percent of the grid is shaded?
Answer Choices
A. 84
B. 80
C. 90
D. 75
E. 66